Sleep monitor



FIG. 1 is a top, front, right perspective view of the sleep monitor of FIG. 1, with a card inserted therein, in accordance with an embodiment of the invention;

FIG. 2 is a front view of the sleep monitor of FIG. 1;

FIG. 3 is a left side view of the sleep monitor of FIG. 1;

FIG. 4 is a top, right, rear perspective of the sleep monitor of FIG. 1; and,

FIG. 5 is a rear view of the sleep monitor of FIG. 1.

The broken lines in the drawings illustrate cord and gasket interface portions of the sleep monitor which form no part of the claimed design. The wavy broken lines at the end of the card represent the boundary of the claim. 

CLAIM The ornamental design for a sleep monitor, as shown and described. 